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Living in a landscape of fear : the impact of predation, resource availability and habitat structure on primate range use.

Coleman, B.T. and Hill, R.A. (2014) 'Living in a landscape of fear : the impact of predation, resource availability and habitat structure on primate range use.', Animal behaviour., 88 . pp. 165-173.

Abstract

Spatial variation in predation risk generates a ‘landscape of fear’, with prey animals modifying their distribution and behaviour in response to this variable predation risk. In systems comprising multiple predators and prey species, a key challenge is distinguishing the independent effects of different predator guilds on prey responses. We exploited the acoustically distinct alarm calls of samango monkeys, Cercopithecus mitis erythrarchus, to create a predator-specific landscape of fear from eagles to assess its impact on space use within mixed regressive–spatial regressive models incorporating data on resource distribution and structural characteristics of the environment. The landscape of fear from eagles was the most significant determinant of samango range use, with no effect of resource availability. The monkeys also selected areas of their range with higher canopies and higher understory visibility, behaviour consistent with further minimizing risk of predation. These results contrast with those of vervet monkeys, Chlorocebus aethiops pygerythrus, at the same site for which the landscapes of fear from leopards and baboons were the most significant determinants of space use. While highlighting that predation risk is a key driver of primate behaviour in this population, the landscapes of fear experienced by samango monkeys and vervet monkeys appear to differ despite exposure to identical predator guilds. This emphasizes the importance of distinguishing between the risk effects of different predators in understanding prey ecology, but also that closely related prey species may respond to these predator-specific risks in different ways.

Item Type:Article
Keywords:Blue monkey, Cercopithecus aethiops, Cercopithecus albogularis, Fruit availability, Geographical information system (GIS), Intergroup competition, Local convex hulls (LoCoH) analysis, Spatial regression, Sykes monkey.
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1016/j.anbehav.2013.11.027
Publisher statement:NOTICE: this is the author’s version of a work that was accepted for publication in Animal behaviour. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Animal behaviour, 88, 2014, 10.1016/j.anbehav.2013.11.027
Record Created:10 Jan 2014 09:50
Last Modified:10 Jan 2014 12:30

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